The Standard Atmosphere is a unit of pressure.
- It is a kind of Metric used in Planetology.
- It is a measure of the atmosphere of a world.
- Atmospheric pressure may also be measured in bars and millibars.
- The Atmosphere is based on the mean surface atmospheric pressure of Terra.
- The standard abbreviation is atm.
- Atmosphere code 0: Vacuum Pressure Atmosphere (less than 0.001 atm)
- Atmosphere code 1: Trace Pressure Atmosphere (less than 0.1 atm)
- Atmosphere codes 2 and 3: Very Thin Pressure Atmosphere (between 0.1 and 0.42 atm)
- Atmosphere codes 4 and 5: Thin Pressure Atmosphere (between 0.42 and 0.7 atm)
- Atmosphere codes 6 and 7: Standard Pressure Atmosphere (between 0.7 and 1.5 atm)
- Atmosphere codes 8 and 9: Dense Pressure Atmosphere (between 1.5 and 2.5 atm)
- Typically Atmosphere code A+: Very Dense Pressure Atmosphere (above 2.5 atm)
- Typically Atmosphere code B+: Extreme Pressure Atmosphere (above 100 atm)
The Atmosphere was first defined as a unit of pressure on Terra prior to the foundation of the Terran Confederation. It is defined as the mean surface pressure of Terra's atmosphere. The true atmospheric pressure of a world can vary, even on Terra: the local atmospheric pressure can vary from the standard by as much as 15%, affected by weather, temperature, tides, and altitude. Technologists found the Atmosphere useful as the concept of the Technology Level and standardized ideas about sophont society development began to take form.
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|This page uses content from Wikipedia. The original article was at Atmospheric_pressure. The list of authors can be seen in the page history. The text of Wikipedia is available under the Commons Attribution-ShareAlike 3.0 Unported License.|
- Traveller Wiki Editorial Team
- Author & Contributor: Lord (Marquis) and Master Scout Emeritus Adie Alegoric Stewart of the IISS
- Author & Contributor: Lord (Marquis) and Master of Sophontology Maksim-Smelchak of the Ministry of Science
- An unpublished factoid written by Maksim-Smelchak